database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-26 12:21:12 +03:00
Code Activity

Create an internal semaphore API that is not tied to SysV semaphores.

Browse Source 
As proof of concept, provide an alternate implementation based on POSIX
semaphores.  Also push the SysV shared-memory implementation into a
separate file so that it can be replaced conveniently.
This commit is contained in:
Tom Lane
2002-05-05 00:03:29 +00:00
parent 91fc10fdac
commit 72a3902a66
37 changed files with 1659 additions and 1370 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/include/miscadmin.h
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.102 2002/04/04 04:25:51 momjian Exp $
* $Id: miscadmin.h,v 1.103 2002/05/05 00:03:29 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to
@ -23,7 +23,8 @@
#ifndef MISCADMIN_H
#define MISCADMIN_H
#include "storage/ipc.h"
#include <sys/types.h>
/*****************************************************************************
* System interrupt and critical section handling
@ -291,8 +292,8 @@ extern void BaseInit(void);
extern bool CreateDataDirLockFile(const char *datadir, bool amPostmaster);
extern bool CreateSocketLockFile(const char *socketfile, bool amPostmaster);
extern void TouchSocketLockFile(void);
extern void RecordSharedMemoryInLockFile(IpcMemoryKey shmKey,
IpcMemoryId shmId);
extern void RecordSharedMemoryInLockFile(unsigned long id1,
unsigned long id2);
extern void ValidatePgVersion(const char *path);